lw r0, [pc+16]
lw r1, [pc+16]
lw r2, [r0+6]; Read UART
beq [pc-2], r1, r2; Read OK?
sw [r0+6], r2; Write UART
sb [r0+0], r2; Write LED Low
sb [r0+1], r2; Write LED High
jmp [pc-10]
dw 0x8002
dw 0xFFFF
;0x8000 (GPIO Controller)
;0x8002 (LED Controller)
;0x8004 (Motor Controller)
;0x8006 (UART Controller)